core/resolvers/profile.py

from orm.user import User, UserRole, Role, UserRating, AuthorFollower
from storages.users import UserStorage
from orm.shout import Shout
from orm.reaction import Reaction
from orm.base import local_session
from orm.topic import Topic, TopicFollower
from resolvers.base import mutation, query
from resolvers.community import get_followed_communities
from resolvers.reactions import get_shout_reactions
from auth.authenticate import login_required
from inbox_resolvers.inbox import get_inbox_counter
from sqlalchemy import and_, desc
from sqlalchemy.orm import selectinload


@query.field("userReactedShouts")
async def get_user_reacted_shouts(_, info, slug, page, size) -> list[Shout]:
    user = await UserStorage.get_user_by_slug(slug)
    if not user: return {}
    with local_session() as session:
        shouts = session.query(Shout).\
            join(Reaction).\
            where(Reaction.createdBy == user.slug).\
            order_by(desc(Reaction.createdAt)).\
            limit(size).\
            offset(page * size).all()
    return shouts


@query.field("userFollowedTopics")
@login_required
def get_followed_topics(_, slug) -> list[Topic]:
    rows = []
    with local_session() as session:
        rows = session.query(Topic).\
            join(TopicFollower).\
            where(TopicFollower.follower == slug).\
            all()
    return rows


@query.field("userFollowedAuthors")
def get_followed_authors(_, slug) -> list[User]:
    authors = []
    with local_session() as session:
        authors = session.query(User).\
            join(AuthorFollower, User.slug == AuthorFollower.author).\
            where(AuthorFollower.follower == slug).\
            all()
    return authors


@query.field("userFollowers")
async def user_followers(_, slug) -> list[User]:
    with local_session() as session:
        users = session.query(User).\
            join(AuthorFollower, User.slug == AuthorFollower.follower).\
            where(AuthorFollower.author == slug).\
            all()
    return users

# for query.field("getCurrentUser")
async def get_user_info(slug):
    return {
        "inbox": await get_inbox_counter(slug),
        "topics": [t.slug for t in get_followed_topics(0, slug)],
        "authors": [a.slug for a in get_followed_authors(0, slug)],
        "reactions": [r.shout for r in get_shout_reactions(0, slug)],
        "communities": [c.slug for c in get_followed_communities(0, slug)]
    }


@query.field("getCurrentUser")
@login_required
async def get_current_user(_, info):
    user = info.context["request"].user
    return {
        "user": user,
        "info": await get_user_info(user.slug)
    }


@query.field("getUsersBySlugs")
async def get_users_by_slugs(_, info, slugs):
    with local_session() as session:
        users = session.query(User).\
            options(selectinload(User.ratings)).\
            filter(User.slug.in_(slugs)).all()
    return users


@query.field("getUserRoles")
async def get_user_roles(_, info, slug):
    with local_session() as session:
        user = session.query(User).where(User.slug == slug).first()
        roles = session.query(Role).\
            options(selectinload(Role.permissions)).\
            join(UserRole).\
            where(UserRole.user_id == user.id).all()
    return roles


@mutation.field("updateProfile")
@login_required
async def update_profile(_, info, profile):
    auth = info.context["request"].auth
    user_id = auth.user_id
    with local_session() as session:
        user = session.query(User).filter(User.id == user_id).first()
        user.update(profile)
        session.commit()
    return {}


@mutation.field("rateUser")
@login_required
async def rate_user(_, info, slug, value):
    user = info.context["request"].user
    with local_session() as session:
        rating = session.query(UserRating).\
            filter(and_(UserRating.rater == user.slug, UserRating.user == slug)).\
            first()
        if rating:
            rating.value = value
            session.commit()
            return {}
    try:
        UserRating.create(
            rater=user.slug,
            user=slug,
            value=value
        )
    except Exception as err:
        return {"error": err}
    return {}

# for mutation.field("follow")
def author_follow(user, slug):
    AuthorFollower.create(
        follower=user.slug,
        author=slug
    )

# for mutation.field("unfollow")
def author_unfollow(user, slug):
    with local_session() as session:
        flw = session.query(AuthorFollower).\
            filter(and_(AuthorFollower.follower == user.slug, AuthorFollower.author == slug)).\
            first()
        if not flw:
            raise Exception("[resolvers.profile] follower not exist, cant unfollow")
        else: 
            session.delete(flw)
            session.commit()